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<?php
/**
* Class Forminator_Render_Form
*
* @since 1.0
*/
abstract class Forminator_Render_Form {
/**
* Model data
*
* @var Forminator_Base_Form_Model
*/
public $model = null;
/**
* Checks if is admin
*
* @var bool
*/
protected $is_admin = false;
/**
* Track Views
*
* @var bool
*/
protected $track_views = true;
/**
* Mapper form with its instance, handling multiple same form rendered
*
* @var array
*/
protected static $render_ids = array();
/**
* Checks if is preview
*
* @var bool
*/
protected $is_preview = false;
/**
* Action to be used to load ajax
*
* @var string
*/
protected $ajax_load_action = 'forminator_load_module';
/**
* Last submitted data
* useful when rendering via ajax and need older data for markup
*
* @since 1.6.1
* @var array
*/
protected $last_submitted_data = array();
/**
* Original wp http referer
* When ajax load enabled wp_http_referer is replaced with admin-ajax
* This var will make it persistent for next render
*
* @since 1.6.2
* @var string
*/
protected $_wp_http_referer = '';
/**
* Original page_id
* When ajax load enabled page_id cant be found
* This var will make it persistent for next render
*
* @since 1.6.2
* @var int
*/
protected $_page_id = 0;
/**
* Forminator_Render_Form constructor.
*
* @since 1.0
*/
public function __construct() {
$this->is_admin = is_admin();
$this->init();
}
/**
* Init method
*
* @since 1.0
*/
public function init() {
}
/**
* Display form method
* Must be implemented by class that extend it
*
* @since 1.0
*
* @param $id
* @param bool $is_preview
*
* @return mixed
*/
abstract public function display( $id, $is_preview = false );
/**
* Generate render_id for current form
* represented as integer, start from 0
*
* @param $id
*/
public function generate_render_id( $id ) {
// set render_id for mapping Front End with its form.
if ( ! isset( self::$render_ids[ $id ] ) ) {
self::$render_ids[ $id ] = 0;
} else {
self::$render_ids[ $id ] ++;
}
}
/**
* Render form markup
*
* @since 1.0
*
* @param $id
* @param bool $hide If true, display: none will be added on the form markup and later removed with JS
* @param bool $is_preview
*/
public function render( $id, $hide = true, $is_preview = false ) {
$form_type = $this->get_form_type();
$form_fields = $this->get_fields();
$form_settings = $this->get_form_settings();
$post_id = $this->get_post_id();
$this->is_preview = $is_preview;
do_action( 'forminator_before_form_render', $id, $form_type, $post_id, $form_fields, $form_settings );
$this->get_form( $id, true, $hide );
do_action( 'forminator_after_form_render', $id, $form_type, $post_id, $form_fields, $form_settings );
}
/**
* Return form markup
*
* @since 1.0
*
* @param $id
* @param bool $render
*
* @return mixed|void
*/
public function get_form( $id, $render = true, $hide = true ) {
$html = '';
$forminator_ui = '';
$data_design = '';
$data_grid = '';
$form_type = $this->get_form_type();
$form_fields = $this->get_fields();
$form_settings = $this->get_form_settings();
$form_design = $this->get_form_design();
$form_enctype = $this->form_enctype();
$extra_classes = $this->form_extra_classes();
$track_views = $this->can_track_views();
$fields_type_class = $this->get_fields_type_class();
$design_class = $this->get_form_design_class();
// If rendered on Preview, the array is empty and sometimes PHP notices show up
if ( $this->is_admin && ( empty( self::$render_ids ) || ! $id ) ) {
self::$render_ids[ $id ] = 0;
}
$render_id = self::$render_ids[ $id ];
$forminator_ui = 'forminator-ui ';
if ( 'quiz' === $form_type ) {
$data_design = 'data-design="' . $this->get_quiz_theme() . '"';
} else {
$data_design = 'data-design="' . $this->get_form_design() . '"';
}
if ( 'custom-form' === $form_type ) {
$data_grid = 'data-grid="' . $this->get_fields_style() . '"';
}
// Markup Loader.
$loader = sprintf(
'<div class="%sforminator-%s forminator-%s-%s %s %s %s" data-forminator-render="%s" data-form="forminator-module-%s"><br/></div>',
$forminator_ui,
$form_type,
$form_type,
$id,
$design_class,
$fields_type_class,
$extra_classes,
$render_id,
$id
);
// To-Do: Remove when live preview for Poll & Quiz implemented
if( "custom-form" !== $form_type ) {
$loader = '';
}
$quiz_type = '';
$quiz_spacing = '';
$quiz_columns = '';
$quiz_alignment = '';
$aria_live = '';
if ( 'quiz' === $form_type ) {
$quiz_type = 'data-quiz="knowledge"'; // TODO: Get correct quiz type: knowledge or nowrong.
$aria_live = 'aria-live="polite"'; // Listen to live changes on form.
$quiz_spacing = 'data-spacing="default"';
$quiz_alignment = 'data-alignment="left"';
if ( isset( $form_settings['quiz-spacing'] ) && ! empty( $form_settings['quiz-spacing'] ) ) {
$quiz_spacing = 'data-spacing="' . $form_settings['quiz-spacing'] . '"';
}
if ( isset( $form_settings['quiz-alignment'] ) && ! empty( $form_settings['quiz-alignment'] ) ) {
$quiz_alignment = 'data-alignment="' . $form_settings['quiz-alignment'] . '"';
} else {
if ( false !== strpos( $form_design, 'grid' ) ) {
$quiz_alignment = 'data-alignment="center"';
}
}
if ( isset( $form_settings['visual_style'] ) && 'grid' === $form_settings['visual_style'] ) {
if ( isset( $form_settings['quiz-grid-cols'] ) ) {
$quiz_columns = 'data-columns="' . $form_settings['quiz-grid-cols'] . '"';
} else {
$quiz_columns = 'data-columns="3"';
}
}
}
$has_lead = isset( $form_settings['hasLeads'] ) ? $form_settings['hasLeads'] : false;
$html .= $loader;
$hidden = $hide ? 'style="display: none;"' : '';
if ( $this->is_preview || is_admin() ) {
$hidden = '';
}
if ( 'quiz' === $form_type && $has_lead ) {
$html .= $this->render_form_header();
}
$html .= sprintf(
'<form
id="forminator-module-%s"
class="%sforminator-%s forminator-%s-%s %s %s %s"
action=""
method="post"
data-forminator-render="%s"
data-form-id="%s"
%s
%s
%s
%s
%s
%s
%s
%s
%s
>',
$id,
$forminator_ui,
$form_type,
$form_type,
$id,
$design_class,
$fields_type_class,
$extra_classes,
$render_id,
$id,
$quiz_type,
$data_design,
$quiz_spacing,
$quiz_columns,
$quiz_alignment,
$data_grid,
$form_enctype,
$aria_live,
$hidden
);
if ( ! $has_lead ) {
$html .= $this->render_form_header();
}
$html .= $this->render_fields( false );
$html .= $this->referer_url_field( false );
$defender_data = forminator_defender_compatibility();
if ( $defender_data['is_activated'] ) {
$html .= $this->render_form_authentication();
}
$html .= $this->get_submit( $id, false );
$html .= sprintf( '</form>' );
if ( 'custom-form' === $form_type ) {
$html .= $this->render_skip_form_content();
}
if ( $track_views ) {
$form_view = Forminator_Form_Views_Model::get_instance();
$post_id = $this->get_post_id();
if ( ! $this->is_admin ) {
$form_view->save_view( $id, $post_id, '' );
}
}
if ( $render ) {
echo apply_filters( 'forminator_render_form_markup', $html, $form_fields, $form_type, $form_settings, $form_design, $render_id ); // WPCS: XSS ok.
} else {
/** @noinspection PhpInconsistentReturnPointsInspection */
return apply_filters( 'forminator_render_form_markup', $html, $form_fields, $form_type, $form_settings, $form_design, $render_id );
}
}
/**
* Return form placeholder markup
*
* @since 1.6.1
*
* @param $id
* @param bool $render
*
* @return mixed|void
*/
public function get_form_placeholder( $id, $render = true ) {
$html = '';
$form_type = $this->get_form_type();
//if rendered on Preview, the array is empty and sometimes PHP notices show up
if ( $this->is_admin && ( empty( self::$render_ids ) || ! $id ) ) {
self::$render_ids[ $id ] = 0;
}
$render_id = self::$render_ids[ $id ];
$html .= sprintf(
'<form id="forminator-module-%s" class="forminator-%s forminator-%s-%s" action="" method="post" data-forminator-render="%s">',
$id,
$form_type,
$form_type,
$id,
$render_id
);
$html .= $this->render_form_header();
$html .= '</form>';
if ( $render ) {
echo apply_filters( 'forminator_render_form_placeholder_markup', $html, $form_type, $render_id ); // WPCS: XSS ok.
} else {
/** @noinspection PhpInconsistentReturnPointsInspection */
return apply_filters( 'forminator_render_form_placeholder_markup', $html, $form_type, $render_id );
}
}
/**
* Get Additional CSS class to be aplied based on fields style (enclosed or not)
*
* @since 1.0.5
* @return string
*/
public function get_fields_type_class() {
$form_type = $this->get_form_type();
$fields_style = $this->get_fields_style();
if ( 'custom-form' === $form_type ) {
if ( 'open' !== $fields_style ) {
$fields_type = 'forminator-' . $fields_style;
} else {
$fields_type = '';
}
} else {
$fields_type = '';
}
/**
* Filter CSS of fields_type that will be added on user
*
* @since 1.0.5
*
* @param string $fields_type current fields type CSS class that aplied
* @param string $form_type (custom-form / poll / quiz)
* @param string $fields_style (enclosed ?)
*/
return apply_filters( 'forminator_render_fields_type_class', $fields_type, $form_type, $fields_style );
}
/**
* Get Additional CSS class to be aplied based on get_form_design
*
* @since 1.0.5
* @return string
*/
public function get_form_design_class() {
$form_type = $this->get_form_type();
$form_design = $this->get_form_design();
if ( 'quiz' === $form_type ) {
$design_class = 'forminator-quiz--' . $form_design;
} else {
if ( 'clean' === $form_design ) {
$design_class = '';
} else {
$design_class = 'forminator-design--' . $form_design;
}
}
/**
* Filter design CSS class that will be aplied on <form
*
* @since 1.0.5
*
* @param string $design_class current design CSS class applied
* @param string $form_design (clean/material, etc)
*/
return apply_filters( 'forminator_render_form_design_class', $design_class, $form_design );
}
/**
* Return form submit button markup
*
* @since 1.0
*
* @param $form_id
* @param bool $render
*
* @return mixed|void
*/
public function get_submit( $form_id, $render = true ) {
$nonce = $this->nonce_field( 'forminator_submit_form', 'forminator_nonce' );
$post_id = $this->get_post_id();
$html = $this->get_button_markup();
$form_type = $this->get_form_type();
$html .= $nonce;
$html .= sprintf( '<input type="hidden" name="form_id" value="%s">', $form_id );
$html .= sprintf( '<input type="hidden" name="page_id" value="%s">', $post_id );
if ( isset( self::$render_ids[ $form_id ] ) ) {
$html .= sprintf( '<input type="hidden" name="render_id" value="%s">', self::$render_ids[ $form_id ] );
}
if ( $this->is_preview ) {
$html .= sprintf( '<input type="hidden" name="action" value="%s">', "forminator_submit_preview_form_" . $form_type );
} else {
$html .= sprintf( '<input type="hidden" name="action" value="%s">', "forminator_submit_form_" . $form_type );
}
if ( $render ) {
echo apply_filters( 'forminator_render_form_submit_markup', $html, $form_id, $post_id, $nonce ); // WPCS: XSS ok.
} else {
/** @noinspection PhpInconsistentReturnPointsInspection */
return apply_filters( 'forminator_render_form_submit_markup', $html, $form_id, $post_id, $nonce );
}
}
/**
* Return button markup
*
* @since 1.0
* @return mixed
*/
public function get_button_markup() {
$html = '';
$button = $this->get_submit_button_text();
$html = '<div class="forminator-row">';
$html .= '<div class="forminator-col">';
$html .= '<div id="submit" class="forminator-field">';
$html .= '<button class="forminator-button forminator-button-submit">';
if ( 'material' === $this->get_form_design() ) {
$html .= sprintf( '<span>%s</span>', $button );
$html .= '<span aria-hidden="true"></span>';
} else {
$html .= $button;
}
$html .= '</button>';
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
return apply_filters( 'forminator_render_button_markup', $html, $button );
}
/**
* Submit button text
*
* @since 1.0
* @return string
*/
public function get_submit_button_text() {
return __( "Submit", Forminator::DOMAIN );
}
/**
* Return form fields
*
* @since 1.0
* @return array
*/
public function get_fields() {
// That function will be overwritten by form class
return array();
}
/**
* Return form fields markup
*
* @since 1.0
*
* @param bool $render
*
* @return mixed|void
*/
public function render_fields( $render = true ) {
$html = '';
$fields = $this->get_fields();
foreach ( $fields as $key => $field ) {
do_action( 'forminator_before_field_render', $field );
// Render before field markup
$html .= $this->render_field_before( $field );
// Render field
$html .= $this->render_field( $field );
do_action( 'forminator_after_field_render', $field );
// Render after field markup
$html .= $this->render_field_after( $field );
}
if ( $render ) {
echo wp_kses_post( $html ); // WPCS: XSS ok.
} else {
/** @noinspection PhpInconsistentReturnPointsInspection */
return apply_filters( 'forminator_render_fields_markup', $html, $fields );
}
}
/**
* Return referer url field markup
*
* @since ?
*
* @param bool $render
*
* @return string|void
*/
public function referer_url_field( $render = true ) {
$referer_url = "";
if( isset( $_REQUEST['extra'] ) && is_array( $_REQUEST['extra'] ) && isset( $_REQUEST['extra']['referer_url'] ) ) {
$referer_url = sanitize_text_field($_REQUEST['extra']['referer_url']);
} elseif ( isset ( $_SERVER['HTTP_REFERER'] ) ) {
$referer_url = $_SERVER['HTTP_REFERER'];
}
$html = sprintf( '<input type="hidden" name="referer_url" value="%s" />', esc_attr( $referer_url ) );
if ( $render ) {
echo wp_kses_post( $html ); // WPCS: XSS ok.
} else {
return $html;
}
}
/**
* Return field classes
*
* @since 1.0
*
* @param $field
*
* @return string
*/
public function get_classes(
/** @noinspection PhpUnusedParameterInspection */
$field
) {
return 'forminator-field';
}
/**
* Return markup before field
*
* @since 1.0
*
* @param $field
*
* @return mixed
*/
public function render_field_before( $field ) {
$class = $this->get_classes( $field );
$html = sprintf( '<div class="%s">', $class );
return apply_filters( 'forminator_before_field_markup', $html, $class );
}
/**
* Return markup after field
*
* @since 1.0
*
* @param $field
*
* @return mixed
*/
public function render_field_after( $field ) {
$html = sprintf( '</div>' );
return apply_filters( 'forminator_after_field_markup', $html, $field );
}
/**
* Return sanitized form data
*
* @since 1.0
*
* @param $content
*
* @return mixed
*/
public function sanitize_output( $content ) {
return htmlentities( $content, ENT_QUOTES );
}
/**
* Return field markup
*
* @since 1.0
*
* @param $field
*
* @return mixed|void
*/
public function render_field( $field ) {
}
/**
* Return form settings
*
* @since 1.0
* @return array
*/
public function get_form_settings() {
return array();
}
/**
* Return field ID
*
* @since 1.0
*
* @param $field
*
* @return string
*/
public function get_field_id( $field ) {
return isset( $field['element_id'] ) ? $field['element_id'] : '0';
}
/**
* Return post ID
*
* @since 1.0
* @return int|string|bool
*/
public function get_post_id() {
$post_id = $this->_page_id;
if ( empty( $post_id ) ) {
$post_id = get_post() ? get_the_ID() : '0';
}
return $post_id;
}
/**
* Return form type
*
* @since 1.0
* @return string
*/
public function get_form_type() {
return '';
}
/**
* Return form design
*
* @since 1.0
* @return string
*/
public function get_form_design() {
return '';
}
/**
* Return fields style
*
* @since 1.0
* @return string
*/
public function get_fields_style() {
return '';
}
/**
* Render form header
*
* @since 1.0
*/
public function render_form_header() {
return '';
}
/**
* Render form header
*
* @since 1.0
*/
public function render_form_authentication() {
return '';
}
/**
* Form enctype
*
* @since 1.0
* @return string
*/
public function form_enctype() {
return '';
}
/**
* Form extra classes
*
* @since 1.0
*/
public function form_extra_classes() {
return '';
}
/**
* Check if can track views
*
* @since 1.0
* @return bool
*/
public function can_track_views() {
return $this->track_views;
}
/**
* Define cache constants
*
* @since 1.6.1
*/
public function maybe_define_cache_constants() {
if ( $this->model instanceof Forminator_Base_Form_Model ) {
if ( $this->model->is_use_donotcachepage_constant() ) {
if ( ! defined( 'DONOTCACHEPAGE' ) ) {
define( 'DONOTCACHEPAGE', 1 );
}
}
}
}
/**
* Get load ajax status
*
* @since 1.6.1
*
* @param $force
*
* @return bool
*/
public function is_ajax_load( $force = false ) {
// somehow, it could be incompatible model,
// lets return as false when it happens
if ( $this->model instanceof Forminator_Base_Form_Model ) {
return $this->model->is_ajax_load( $force );
}
return false;
}
/**
* Script loader module via ajax
*
* @since 1.6.1
*
* @param $is_preview
* @param array $preview_data
* @param array $lead_data
*/
public function ajax_loader( $is_preview, $preview_data = array(), $lead_data = array() ) {
if ( ! $this->model instanceof Forminator_Base_Form_Model ) {
return;
}
// Load module only via ajax
if ( ! $this->is_ajax_load( $is_preview ) ) {
return;
}
$id = $this->model->id;
$this->last_submitted_data = $_POST; // wpcs csrf ok.
//if rendered on Preview, the array is empty and sometimes PHP notices show up
if ( $this->is_admin && ( empty( self::$render_ids ) || ! $id ) ) {
self::$render_ids[ $id ] = 0;
}
$this->_wp_http_referer = esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) );
$this->_page_id = $this->get_post_id();
if ( ! isset( self::$render_ids[ $id ] ) ) {
return;
}
$ajax_options = array(
'action' => $this->ajax_load_action,
'type' => $this->model->get_post_type(),
'id' => $id,
'render_id' => self::$render_ids[ $id ],
'is_preview' => $is_preview,
'preview_data' => $preview_data,
'last_submit_data' => $this->last_submitted_data,
'nonce' => wp_create_nonce( 'forminator_load_module' ),
'extra' => array(
'_wp_http_referer' => wp_unslash( $_SERVER['REQUEST_URI'] ),
'page_id' => $this->get_post_id(),
'referer_url' => '',//Original referer url where the user come from. This field will be set via JS
),
);
if ( ! empty( $lead_data ) ) {
$ajax_options['has_lead'] = $lead_data['has_lead'];
$ajax_options['leads_id'] = $lead_data['leads_id'];
}
$front_loader_config = wp_json_encode(
$ajax_options
);
$forminator_loader_script = '
(function ($, document, window) {
"use strict";
(function () {
$(document).ready(function () {
if (window.elementorFrontend) {
if (typeof elementorFrontend.hooks !== "undefined") {
elementorFrontend.hooks.addAction("frontend/element_ready/global", function ( $scope ) {
if ( $scope.find( "#forminator-module-' . $id . '" ).length > 0 ) {
if (typeof ($.fn.forminatorLoader) !== \'undefined\') {
var front_loader_config = ' . $front_loader_config . ';
front_loader_config.extra.referer_url = document.referrer;
$(\'#forminator-module-' . $id . '[data-forminator-render="' . self::$render_ids[ $id ] . '"]\')
.forminatorLoader(front_loader_config);
}
}
});
}
}
if (typeof ($.fn.forminatorLoader) === \'undefined\') {
console.log(\'forminator scripts not loaded\');
} else {
var front_loader_config = ' . $front_loader_config . ';
front_loader_config.extra.referer_url = document.referrer;
$(\'#forminator-module-' . $id . '[data-forminator-render="' . self::$render_ids[ $id ] . '"]\')
.forminatorLoader(front_loader_config);
}
});
})();
}(jQuery, document, window));';
// on real render use add_inline_script to avoid late initialization
if ( ! $is_preview ) {
wp_add_inline_script( 'forminator-front-scripts', $forminator_loader_script );
} else {
// we are on preview, and its ajax called, so scripts need to be output-ed rather than add it on enqueued script
?>
<script type="text/javascript">
<?php echo $forminator_loader_script;// wpcs XSS ok, should be escaped prior ?>
</script>
<?php
}
}
/**
* Ajax handler to load module
*
* @since 1.6.1
*/
public static function ajax_load_module() {
if ( ! $_REQUEST['is_preview'] && ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( $_REQUEST['nonce'], 'forminator_load_module' ) ) ) {
wp_send_json_error( new WP_Error( 'invalid_code' ) );
}
$response = array();
$data = $_REQUEST;
$id = isset( $data['id'] ) ? $data['id'] : 0;
$type = isset( $data['type'] ) ? $data['type'] : 0;
$is_preview = isset( $data['is_preview'] ) ? $data['is_preview'] : 0;
$preview_data = isset( $data['preview_data'] ) ? $data['preview_data'] : 0;
$last_submit_data = isset( $data['last_submit_data'] ) ? $data['last_submit_data'] : array();
$extra = isset( $data['extra'] ) ? $data['extra'] : array();
$has_lead = isset( $data['has_lead'] ) ? $data['has_lead'] : false;
$leads_id = isset( $data['leads_id'] ) ? $data['leads_id'] : 0;
$lead_preview_data = isset( $data['lead_preview_data'] ) ? $data['lead_preview_data'] : 0;
$is_preview = filter_var( $is_preview, FILTER_VALIDATE_BOOLEAN );
if ( empty( $id ) && ! $is_preview ) {
wp_send_json_error( new WP_Error( 'invalid_id' ) );
}
if ( empty( $type ) ) {
wp_send_json_error( new WP_Error( 'invalid_type' ) );
}
if ( ! empty( $preview_data ) ) {
if ( ! is_array( $preview_data ) ) {
$preview_data = stripslashes( $preview_data );
$preview_data = json_decode( $preview_data, true );
}
}
$view = null;
if ( 'forminator_forms' === $type ) {
$view = Forminator_CForm_Front::get_instance();
if ( ! empty( $preview_data ) ) {
$preview_data = forminator_data_to_model_form( $preview_data );
}
} elseif ( 'forminator_polls' === $type ) {
if ( ! empty( $preview_data ) && is_array( $preview_data ) ) {
$preview_data = forminator_data_to_model_poll( $preview_data );
}
$view = Forminator_Poll_Front::get_instance();
} elseif ( 'forminator_quizzes' === $type ) {
$view = Forminator_QForm_Front::get_instance();
if ( ! empty( $preview_data ) && is_array( $preview_data ) ) {
$preview_data = forminator_data_to_model_quiz( $preview_data );
}
}
if ( ! $view instanceof Forminator_Render_Form ) {
wp_send_json_error( new WP_Error( 'invalid_module' ) );
}
$response = $view->ajax_display( $id, $is_preview, $preview_data, true, $last_submit_data, $extra );
if ( $has_lead ) {
$lead_view = Forminator_CForm_Front::get_instance();
$lead_wrapper_start = $is_preview ? $view->lead_wrapper_start() : '';
$lead_wrapper_end = $is_preview ? $view->lead_wrapper_end() : '';
$lead_response = $lead_view->ajax_display( $leads_id, $is_preview, $lead_preview_data, true, $last_submit_data, $extra, $id );
$response['html'] = $lead_wrapper_start . $response['html'] . $lead_response['html'] . $lead_wrapper_end;
$response['styles'] = array_merge( $response['styles'], $lead_response['styles'] );
$response['scripts'] = array_merge( $response['scripts'], $lead_response['scripts'] );
$response['script'] = $response['script'] . $lead_response['script'];
$response['style'] = $response['style'] . $lead_response['style'];
$response['lead_options'] = $lead_response['options'];
}
wp_send_json_success( $response );
}
/**
* Display ajax render
*
* @since 1.6.1
* @since 1.6.2 add $extra args
*
* @param $id
* @param bool $is_preview
* @param bool $data
* @param bool $hide
* @param array $last_submit_data
* @param array $extra extra config to display
*
* @return array
*/
abstract public function ajax_display( $id, $is_preview = false, $data = false, $hide = true, $last_submit_data = array(), $extra = array() );
/**
* Generate nonce field
* Respect _wp_http_referer to avoid being replaced when ajax load enabled
*
* @since 1.6.2
*
* @param $action
* @param $name
*
* @return string
*/
protected function nonce_field( $action, $name ) {
$with_referer = ! empty( $this->_wp_http_referer ) ? false : true;
$nonce = wp_nonce_field( $action, $name, $with_referer, false );
if ( ! $with_referer ) {
$nonce .= sprintf( '<input type="hidden" name="_wp_http_referer" value="%s" />', esc_attr( $this->_wp_http_referer ) );
}
return $nonce;
}
}